Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August is the warmest month, with the temperature often reaching an average high of 71.1°F (21.7°C) and an average low of 53.8°F (12.1°C).Humidity
The average relative humidity in August in Lummi Island is 76%.Rainfall
In Lummi Island, in August, during 7.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Lummi Island, during the entire year, the rain falls for 178.6 days and collects up to 37.32" (948mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Lummi Island, the average length of the day in August is 14h and 17min.On the first day of August in Lummi Island, Washington, sunrise is at 5:45 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:54 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.5h of sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, a regular UV index of 4 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What month is the hottest in Lummi Island?
What is the usual temperature for Lummi Island in August?
What is the average humidity in August in Lummi Island?
How much does it rain in Lummi Island in August?
When it does not snow in Lummi Island?
How many hours of daylight does Lummi Island have in August?
When is the sunrise / sunset in August in Lummi Island?
What are the months with the most sunshine in Lummi Island?
How long on average sun shines in August in Lummi Island?
How high is the UV index in August in Lummi Island?
Average temperature in August
Lummi Island, WA
- Average high temperature in August: 71.1°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in August: 53.8°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is February (35.2°F).
Average pressure in August
Lummi Island, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in August
Lummi Island, WA
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Lummi Island, WA
- Average humidity in August: 76%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).
Average rainfall in August
Lummi Island, WA
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is November (5.71").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in August
Lummi Island, WA
- Average rainfall days in August: 7.3 days
The month with the highest number of rainy days is November (20.1 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in August
Lummi Island, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Lummi Island, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Lummi Island, WA
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in August
Lummi Island, WA
- Average sunshine days in August: 21.9 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in August
Lummi Island, WA
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Lummi Island, WA
- Average cloud cover in August: 25
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Lummi Island, WA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Lummi Island, Washington, USA
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